diff options
Diffstat (limited to 'calendar/gui/weekday-picker.c')
| -rw-r--r-- | calendar/gui/weekday-picker.c | 572 |
1 files changed, 0 insertions, 572 deletions
diff --git a/calendar/gui/weekday-picker.c b/calendar/gui/weekday-picker.c deleted file mode 100644 index 87438fd62d..0000000000 --- a/calendar/gui/weekday-picker.c +++ /dev/null @@ -1,572 +0,0 @@ -/* Evolution calendar - Week day picker widget - * - * Copyright (C) 2000 Ximian, Inc. - * - * Author: Federico Mena-Quintero <federico@ximian.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <string.h> -#include <gtk/gtksignal.h> -#include <libgnome/gnome-i18n.h> -#include <libgnomecanvas/gnome-canvas-rect-ellipse.h> -#include <libgnomecanvas/gnome-canvas-text.h> -#include <gal/util/e-util.h> -#include "weekday-picker.h" - - - -#define PADDING 2 - -/* Private part of the WeekdayPicker structure */ -struct _WeekdayPickerPrivate { - /* Selected days; see weekday_picker_set_days() */ - guint8 day_mask; - - /* Blocked days; these cannot be modified */ - guint8 blocked_day_mask; - - /* Day that defines the start of the week; 0 = Sunday, ..., 6 = Saturday */ - int week_start_day; - - /* Metrics */ - int font_ascent, font_descent; - int max_letter_width; - - /* Components */ - GnomeCanvasItem *boxes[7]; - GnomeCanvasItem *labels[7]; -}; - - - -/* Signal IDs */ -enum { - CHANGED, - LAST_SIGNAL -}; - -static void weekday_picker_class_init (WeekdayPickerClass *class); -static void weekday_picker_init (WeekdayPicker *wp); -static void weekday_picker_destroy (GtkObject *object); - -static void weekday_picker_realize (GtkWidget *widget); -static void weekday_picker_size_request (GtkWidget *widget, GtkRequisition *requisition); -static void weekday_picker_size_allocate (GtkWidget *widget, GtkAllocation *allocation); -static void weekday_picker_style_set (GtkWidget *widget, GtkStyle *previous_style); - -static GnomeCanvasClass *parent_class; - -static guint wp_signals[LAST_SIGNAL]; - - - -E_MAKE_TYPE (weekday_picker, "WeekdayPicker", WeekdayPicker, - weekday_picker_class_init, weekday_picker_init, GNOME_TYPE_CANVAS); - -/* Class initialization function for the weekday picker */ -static void -weekday_picker_class_init (WeekdayPickerClass *class) -{ - GtkObjectClass *object_class; - GtkWidgetClass *widget_class; - - object_class = (GtkObjectClass *) class; - widget_class = (GtkWidgetClass *) class; - - parent_class = g_type_class_peek_parent (class); - - wp_signals[CHANGED] = - gtk_signal_new ("changed", - GTK_RUN_FIRST, - G_TYPE_FROM_CLASS (object_class), - GTK_SIGNAL_OFFSET (WeekdayPickerClass, changed), - gtk_marshal_NONE__NONE, - GTK_TYPE_NONE, 0); - - object_class->destroy = weekday_picker_destroy; - - widget_class->realize = weekday_picker_realize; - widget_class->size_request = weekday_picker_size_request; - widget_class->size_allocate = weekday_picker_size_allocate; - widget_class->style_set = weekday_picker_style_set; - - class->changed = NULL; -} - -/* Event handler for the day items */ -static gint -day_event_cb (GnomeCanvasItem *item, GdkEvent *event, gpointer data) -{ - WeekdayPicker *wp; - WeekdayPickerPrivate *priv; - int i; - guint8 day_mask; - - wp = WEEKDAY_PICKER (data); - priv = wp->priv; - - if (!(event->type == GDK_BUTTON_PRESS && event->button.button == 1)) - return FALSE; - - /* Find which box was clicked */ - - for (i = 0; i < 7; i++) - if (priv->boxes[i] == item || priv->labels[i] == item) - break; - - g_assert (i != 7); - - /* Turn on that day */ - - i += priv->week_start_day; - if (i >= 7) - i -= 7; - - if (priv->blocked_day_mask & (0x1 << i)) - return TRUE; - - if (priv->day_mask & (0x1 << i)) - day_mask = priv->day_mask & ~(0x1 << i); - else - day_mask = priv->day_mask | (0x1 << i); - - weekday_picker_set_days (wp, day_mask); - - return TRUE; -} - - -/* Creates the canvas items for the weekday picker. The items are empty until - * they are configured elsewhere. - */ -static void -create_items (WeekdayPicker *wp) -{ - WeekdayPickerPrivate *priv; - GnomeCanvasGroup *parent; - int i; - - priv = wp->priv; - - parent = gnome_canvas_root (GNOME_CANVAS (wp)); - - for (i = 0; i < 7; i++) { - priv->boxes[i] = gnome_canvas_item_new (parent, - GNOME_TYPE_CANVAS_RECT, - NULL); - g_signal_connect (priv->boxes[i], "event", G_CALLBACK (day_event_cb), wp); - - priv->labels[i] = gnome_canvas_item_new (parent, - GNOME_TYPE_CANVAS_TEXT, - NULL); - g_signal_connect (priv->labels[i], "event", G_CALLBACK (day_event_cb), wp); - } -} - -/* Object initialization function for the weekday picker */ -static void -weekday_picker_init (WeekdayPicker *wp) -{ - WeekdayPickerPrivate *priv; - - GTK_WIDGET_UNSET_FLAGS (wp, GTK_CAN_FOCUS); - - priv = g_new0 (WeekdayPickerPrivate, 1); - - wp->priv = priv; - - create_items (wp); -} - -/* Finalize handler for the weekday picker */ -static void -weekday_picker_destroy (GtkObject *object) -{ - WeekdayPicker *wp; - WeekdayPickerPrivate *priv; - - g_return_if_fail (object != NULL); - g_return_if_fail (IS_WEEKDAY_PICKER (object)); - - wp = WEEKDAY_PICKER (object); - priv = wp->priv; - - g_free (priv); - wp->priv = NULL; - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - -static void -colorize_items (WeekdayPicker *wp) -{ - WeekdayPickerPrivate *priv; - GdkColor *outline; - GdkColor *fill, *sel_fill; - GdkColor *text_fill, *sel_text_fill; - int i; - - priv = wp->priv; - - outline = >K_WIDGET (wp)->style->fg[GTK_WIDGET_STATE (wp)]; - - fill = >K_WIDGET (wp)->style->base[GTK_WIDGET_STATE (wp)]; - text_fill = >K_WIDGET (wp)->style->fg[GTK_WIDGET_STATE (wp)]; - - sel_fill = >K_WIDGET (wp)->style->bg[GTK_STATE_SELECTED]; - sel_text_fill = >K_WIDGET (wp)->style->fg[GTK_STATE_SELECTED]; - - for (i = 0; i < 7; i++) { - int day; - GdkColor *f, *t; - - day = i + priv->week_start_day; - if (day >= 7) - day -= 7; - - if (priv->day_mask & (0x1 << day)) { - f = sel_fill; - t = sel_text_fill; - } else { - f = fill; - t = text_fill; - } - - gnome_canvas_item_set (priv->boxes[i], - "fill_color_gdk", f, - "outline_color_gdk", outline, - NULL); - - gnome_canvas_item_set (priv->labels[i], - "fill_color_gdk", t, - NULL); - } -} - -/* Configures the items in the weekday picker by setting their attributes. */ -static char * -get_day_text (int day_index) -{ - const char *str = _("SMTWTFS"); - char *day; - int char_size = 0; - - day = g_utf8_offset_to_pointer (str, day_index); - - /* we use strlen because we actually want to count bytes */ - if (day_index == 6) - char_size = strlen (day); - else - char_size = strlen (day) - strlen (g_utf8_find_next_char (day, NULL)); - - return g_strndup (day, char_size); -} - -static void -configure_items (WeekdayPicker *wp) -{ - WeekdayPickerPrivate *priv; - int width, height; - int box_width; - int i; - - priv = wp->priv; - - width = GTK_WIDGET (wp)->allocation.width; - height = GTK_WIDGET (wp)->allocation.height; - - box_width = (width - 1) / 7; - - for (i = 0; i < 7; i++) { - char *c; - int day; - - day = i + priv->week_start_day; - if (day >= 7) - day -= 7; - - gnome_canvas_item_set (priv->boxes[i], - "x1", (double) (i * box_width), - "y1", (double) 0, - "x2", (double) ((i + 1) * box_width), - "y2", (double) (height - 1), - "width_pixels", 0, - NULL); - - c = get_day_text (day); - gnome_canvas_item_set (priv->labels[i], - "text", c, -#if 0 - "font_gdk", gtk_style_get_font (gtk_widget_get_style (GTK_WIDGET (wp))), -#endif - "x", (double) (i * box_width) + box_width / 2.0, - "y", (double) (1 + PADDING), - "anchor", GTK_ANCHOR_N, - NULL); - g_free (c); - } - - colorize_items (wp); -} - -/* Realize handler for the weekday picker */ -static void -weekday_picker_realize (GtkWidget *widget) -{ - WeekdayPicker *wp; - - wp = WEEKDAY_PICKER (widget); - - if (GTK_WIDGET_CLASS (parent_class)->realize) - (* GTK_WIDGET_CLASS (parent_class)->realize) (widget); - - configure_items (wp); -} - -/* Size_request handler for the weekday picker */ -static void -weekday_picker_size_request (GtkWidget *widget, GtkRequisition *requisition) -{ - WeekdayPicker *wp; - WeekdayPickerPrivate *priv; - - wp = WEEKDAY_PICKER (widget); - priv = wp->priv; - - requisition->width = (priv->max_letter_width + 2 * PADDING + 1) * 7 + 1; - requisition->height = (priv->font_ascent + priv->font_descent + 2 * PADDING + 2); -} - -/* Size_allocate handler for the weekday picker */ -static void -weekday_picker_size_allocate (GtkWidget *widget, GtkAllocation *allocation) -{ - WeekdayPicker *wp; - - wp = WEEKDAY_PICKER (widget); - - if (GTK_WIDGET_CLASS (parent_class)->size_allocate) - (* GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation); - - gnome_canvas_set_scroll_region (GNOME_CANVAS (wp), - 0, 0, allocation->width, allocation->height); - - configure_items (wp); -} - -/* Style_set handler for the weekday picker */ -static void -weekday_picker_style_set (GtkWidget *widget, GtkStyle *previous_style) -{ - WeekdayPicker *wp; - WeekdayPickerPrivate *priv; - int max_width; - int i; - PangoFontDescription *font_desc; - PangoContext *pango_context; - PangoFontMetrics *font_metrics; - PangoLayout *layout; - - wp = WEEKDAY_PICKER (widget); - priv = wp->priv; - - /* Set up Pango prerequisites */ - font_desc = gtk_widget_get_style (widget)->font_desc; - pango_context = gtk_widget_get_pango_context (widget); - font_metrics = pango_context_get_metrics (pango_context, font_desc, - pango_context_get_language (pango_context)); - layout = pango_layout_new (pango_context); - - priv->font_ascent = PANGO_PIXELS (pango_font_metrics_get_ascent (font_metrics)); - priv->font_descent = PANGO_PIXELS (pango_font_metrics_get_descent (font_metrics)); - - max_width = 0; - - for (i = 0; i < 7; i++) { - char *c; - int w; - - c = get_day_text (i); - pango_layout_set_text (layout, c, strlen (c)); - pango_layout_get_pixel_size (layout, &w, NULL); - g_free (c); - - if (w > max_width) - max_width = w; - } - - priv->max_letter_width = max_width; - - configure_items (wp); - g_object_unref (layout); - pango_font_metrics_unref (font_metrics); - - if (GTK_WIDGET_CLASS (parent_class)->style_set) - (* GTK_WIDGET_CLASS (parent_class)->style_set) (widget, previous_style); -} - - - -/** - * weekday_picker_new: - * @void: - * - * Creates a new weekday picker widget. - * - * Return value: A newly-created weekday picker. - **/ -GtkWidget * -weekday_picker_new (void) -{ - return g_object_new (TYPE_WEEKDAY_PICKER, NULL); -} - -/** - * weekday_picker_set_days: - * @wp: A weekday picker. - * @day_mask: Bitmask with the days to be selected. - * - * Sets the days that are selected in a weekday picker. In the @day_mask, - * Sunday is bit 0, Monday is bit 1, etc. - **/ -void -weekday_picker_set_days (WeekdayPicker *wp, guint8 day_mask) -{ - WeekdayPickerPrivate *priv; - - g_return_if_fail (wp != NULL); - g_return_if_fail (IS_WEEKDAY_PICKER (wp)); - - priv = wp->priv; - - priv->day_mask = day_mask; - colorize_items (wp); - - gtk_signal_emit (GTK_OBJECT (wp), wp_signals[CHANGED]); -} - -/** - * weekday_picker_get_days: - * @wp: A weekday picker. - * - * Queries the days that are selected in a weekday picker. - * - * Return value: Bit mask of selected days. Sunday is bit 0, Monday is bit 1, - * etc. - **/ -guint8 -weekday_picker_get_days (WeekdayPicker *wp) -{ - WeekdayPickerPrivate *priv; - - g_return_val_if_fail (wp != NULL, 0); - g_return_val_if_fail (IS_WEEKDAY_PICKER (wp), 0); - - priv = wp->priv; - return priv->day_mask; -} - -/** - * weekday_picker_set_blocked_days: - * @wp: A weekday picker. - * @blocked_day_mask: Bitmask with the days to be blocked. - * - * Sets the days that the weekday picker will prevent from being modified by the - * user. The @blocked_day_mask is specified in the same way as in - * weekday_picker_set_days(). - **/ -void -weekday_picker_set_blocked_days (WeekdayPicker *wp, guint8 blocked_day_mask) -{ - WeekdayPickerPrivate *priv; - - g_return_if_fail (wp != NULL); - g_return_if_fail (IS_WEEKDAY_PICKER (wp)); - - priv = wp->priv; - priv->blocked_day_mask = blocked_day_mask; -} - -/** - * weekday_picker_get_blocked_days: - * @wp: A weekday picker. - * - * Queries the set of days that the weekday picker prevents from being modified - * by the user. - * - * Return value: Bit mask of blocked days, with the same format as that returned - * by weekday_picker_get_days(). - **/ -guint -weekday_picker_get_blocked_days (WeekdayPicker *wp) -{ - WeekdayPickerPrivate *priv; - - g_return_val_if_fail (wp != NULL, 0); - g_return_val_if_fail (IS_WEEKDAY_PICKER (wp), 0); - - priv = wp->priv; - return priv->blocked_day_mask; -} - -/** - * weekday_picker_set_week_start_day: - * @wp: A weekday picker. - * @week_start_day: Index of the day that defines the start of the week; 0 is - * Sunday, 1 is Monday, etc. - * - * Sets the day that defines the start of the week for a weekday picker. - **/ -void -weekday_picker_set_week_start_day (WeekdayPicker *wp, int week_start_day) -{ - WeekdayPickerPrivate *priv; - - g_return_if_fail (wp != NULL); - g_return_if_fail (IS_WEEKDAY_PICKER (wp)); - g_return_if_fail (week_start_day >= 0 && week_start_day < 7); - - priv = wp->priv; - priv->week_start_day = week_start_day; - - configure_items (wp); -} - -/** - * weekday_picker_get_week_start_day: - * @wp: A weekday picker. - * - * Queries the day that defines the start of the week in a weekday picker. - * - * Return value: Index of the day that defines the start of the week. See - * weekday_picker_set_week_start_day() to see how this is represented. - **/ -int -weekday_picker_get_week_start_day (WeekdayPicker *wp) -{ - WeekdayPickerPrivate *priv; - - g_return_val_if_fail (wp != NULL, -1); - g_return_val_if_fail (IS_WEEKDAY_PICKER (wp), -1); - - priv = wp->priv; - return priv->week_start_day; -} |